I have compiled these hotel list just for you. I have also segregated the list with their star rating and location. You can also click on the links to check out the prices. I have been using Agoda for a long time, there rates and services are very good. You are free to choose any other plat as you like.
I have divided Pattaya into 6 parts and I have compiled the guest friendly hotels accordingly.
I have also divided Bangkok into five parts according to Road/Soi no. Click on the links below for full details.
Click for Phuket Best Hotels
Click for Chiang Mai Best Hotels